I'm working on a project which aims to use geographic data to generate a 3D virtual city model and exploit it to create a video game.Since I'm not expert in Geographic Information Systems, my question is : What GIS I should use in order to achieve those tasks- Digitize a cartographic map- Use the cartographic map with some aerial images to produce a Digital Elevation Model- Generate an orthographic image from aerial images and Drape it into DEM- Building footprints- Turn the footprints into 3D buildings primitive models- Export the model generated in 3d format that can be used in 3D modeling software (3ds studio max for example)
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